/Engine/Source/Runtime/Sockets/Public/SocketSubsystem.h
Gets the address information of the given hostname and outputs it into an array of resolvable addresses. It is up to the caller to determine which one is valid for their environment.
the results structure containing the array of address results to this query
virtual [FAddressInfoResult](API\Runtime\Sockets\FAddressInfoResult) GetAddressInfo ( const TCHAR * HostName, const TCHAR * ServiceName, EAddressInfoFlags QueryFlags, ESocketProtocolFamily ProtocolType, ESocketType SocketType )